Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session X31: Porous Media Flows: General
8:00 AM–10:36 AM,
Tuesday, November 21, 2023
Room: 156
Chair: Junlin Yuan, Michigan State University
Abstract: X31.00003 : Penetration of a hydrophilic yield stress fluid in hydrophobic porous media*
8:26 AM–8:39 AM
Presenter:
Manon Bourgade
(Univ Lyon, UCBL, CNRS, Institut Lumière Matière)
Authors:
Manon Bourgade
(Univ Lyon, UCBL, CNRS, Institut Lumière Matière)
Mathieu Leocmach
(Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, VILLEURBANNE, France)
Loïc Vanel
(Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, VILLEURBANNE, France)
Solenn Moro
(Saint-Gobain Recherche, 39 Quai Lucien Lefranc, 93303 Aubervilliers, Cedex, France)
Catherine Barentin
(Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, VILLEURBANNE, France)
The aim of our study is to give insight on the interaction between complex fluids and hydrophobic porous media, beginning with yield stress fluids and simple porous structures. We set up a quasi-static experiment to measure the critical pressure required to make a model yield stress fluid penetrate a regular one-layer hydrophobic mesh. We first present how we use simple fluids to validate and calibrate the experiment. We then focus on the role of yield stress and mesh size on critical penetration pressure. We finally investigate the impact of granularity on this pressure by adding beads inside the yield stress fluid.
*Saint-Gobain Recherche Paris
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